2113679 has 2 divisors, whose sum is σ = 2113680. Its totient is φ = 2113678.

The previous prime is 2113669. The next prime is 2113681. The reversal of 2113679 is 9763112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113679 is a prime.

Together with 2113681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056839 + 1056840.

It is an arithmetic number, because the mean of its divisors is an integer number (1056840).

2^2113679 is an apocalyptic number.

2113679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113679 is an equidigital number, since it uses as much as digits as its factorization.

2113679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 2113679 is about 1453.8497171304. The cubic root of 2113679 is about 128.3353632482.

The spelling of 2113679 in words is "two million, one hundred thirteen thousand, six hundred seventy-nine".